Compare Peptide Vendors by Price per mg

Compare publicly listed peptide vendors by price per mg, stock status, and third-party testing signals. Updated on a per-vendor schedule.

Featured comparisons

All tracked peptides

DSIP

Cognitive & Nootropic
Vendors
3
Lowest $/mg
$7.50/mg
Verified
0
Last verified
2026-06-28

Compare DSIP

VIP

Cognitive & Nootropic
Vendors
2
Lowest $/mg
$8.50/mg
Verified
0
Last verified
2026-06-28

Compare VIP

P21

Cognitive & Nootropic
Vendors
1
Lowest $/mg
$23.20/mg
Verified
0
Last verified
2026-06-28

Compare P21

How rankings work

Comparison tables list in-stock listings first, then sort by the lowest price per milligram within each stock bucket. Testing, COA, and transparency signals are shown separately from price — a lower price does not imply higher quality. We publish the methodology in full.

Read the full methodology →